John Yancey

John Yancey may refer to:


 * John Yancey (tennis) (born 1970), American professional tennis player
 * John F. Yancey (1826-1903), Yellowstone National Park concessionaire
 * John H. Yancey (1918-1986), highly decorated United States Marine
 * Illa J, born John Derek Yancey (born 1986), American hip hop musician